/Engine/Source/Editor/UnrealEd/Public/WorldFolders.h
void ForEachFolderWithRootObject ( const [FFolder::FRootObject](API\Runtime\Engine\FFolder\FRootObject) & InFolderRootObject, [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< bool(const [FFolder](API\Runtime\Engine\FFolder) &)> Operation )